-55.83% is the change from 618 to 273
Calculation steps:
[( 273 - 618 ) ÷ 618] x 100 = -55.83%
Formula
Percentage change = [(273 - 618) / 618] x 100
Subtract the new number by the original number
273 - 618 = -345
-345 ÷ 618 = -0.558252427184466
-0.558252427184466 x 100 = -55.83%